Practice of Algorithm Problems

Array

1. Two Sum 11. Container With Most Water 15. 3Sum 16. 3Sum Closest 18. 4Sum 26. Remove Duplicates from Sorted Array 27. Remove Element 31. Next Permutation 36. Valid Sudoku 41. First Missing Positive 42. Trapping Rain Water 48. Rotate Image 54. Spiral Matrix 56. Merge Intervals 57. Insert Interval 59. Spiral Matrix II 66. Plus One 73. Set Matrix Zeroes 75. Sort Colors 80. Remove Duplicates from Sorted Array II 88. Merge Sorted Array 118. Pascal's Triangle 119. Pascal's Triangle II 121. Best Time to Buy and Sell Stock 122. Best Time to Buy and Sell Stock II 123. Best Time to Buy and Sell Stock III 128. Longest Consecutive Sequence 163. Missing Ranges 164. Maximum Gap 167. Two Sum II - Input array is sorted 169. Majority Element 188. Best Time to Buy and Sell Stock IV 189. Rotate Array 200. Number of Islands 209. Minimum Size Subarray Sum 217. Contains Duplicate 219. Contains Duplicate II 220. Contains Duplicate III 228. Summary Ranges 229. Majority Element II 238. Product of Array Except Self 239. Sliding Window Maximum 243. Shortest Word Distance 244. Shortest Word Distance II 245. Shortest Word Distance III 252. Meeting Rooms 253. Meeting Rooms II 259. 3Sum Smaller 268. Missing Number 277. Find the Celebrity 280. Wiggle Sort 283. Move Zeroes 287. Find the Duplicate Number 289. Game of Life 299. Bulls and Cows 307. Range Sum Query - Mutable 308. Range Sum Query 2D - Mutable 309. Best Time to Buy and Sell Stock with Cooldown 311. Sparse Matrix Multiplication 324. Wiggle Sort II 325. Maximum Size Subarray Sum Equals k 334. Increasing Triplet Subsequence 370. Range Addition 414. Third Maximum Number 419. Battleships in a Board 442. Find All Duplicates in an Array 448. Find All Numbers Disappeared in an Array 454. 4Sum II 457. Circular Array Loop 463. Island Perimeter 480. Sliding Window Median 485. Max Consecutive Ones 487. Max Consecutive Ones II 495. Teemo Attacking 498. Diagonal Traverse 509. Fibonacci Number 523. Continuous Subarray Sum 525. Contiguous Array 531. Lonely Pixel I 533. Lonely Pixel II 548. Split Array with Equal Sum 560. Subarray Sum Equals K 561. Array Partition I 562. Longest Line of Consecutive One in Matrix 565. Array Nesting 566. Reshape the Matrix 587. Erect the Fence 605. Can Place Flowers 611. Valid Triangle Number 624. Maximum Distance in Arrays 643. Maximum Average Subarray I 644. Maximum Average Subarray II 645. Set Mismatch 649. Dota2 Senate 670. Maximum Swap 695. Max Area of Island 697. Degree of an Array 713. Subarray Product Less Than K 714. Best Time to Buy and Sell Stock with Transaction Fee 717. 1-bit and 2-bit Characters 724. Find Pivot Index 768. Max Chunks To Make Sorted II 769. Max Chunks To Make Sorted 792. Number of Matching Subsequences 849. Maximize Distance to Closest Person 855. Exam Room 862. Shortest Subarray with Sum at Least K 904. Fruit Into Baskets 905. Sort Array By Parity 930. Binary Subarrays With Sum 939. Minimum Area Rectangle 957. Prison Cells After N Days 974. Subarray Sums Divisible by K 977. Squares of a Sorted Array 989. Add to Array-Form of Integer 992. Subarrays with K Different Integers 997. Find the Town Judge 1002. Find Common Characters 1004. Max Consecutive Ones III 1007. Minimum Domino Rotations For Equal Row 1031. Maximum Sum of Two Non-Overlapping Subarrays 1099. Two Sum Less Than K 1137. N-th Tribonacci Number 1152. Analyze User Website Visit Pattern 1229. Meeting Scheduler 1234. Replace the Substring for Balanced String 1248. Count Number of Nice Subarrays

PreviousMain Next1. Two Sum

Last updated 6 years ago

Was this helpful?